package com.cy.jt;

import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

public class AuthGlobalFilter implements GlobalFilter, Ordered{
 @Override
 public Mono<Void> filter(ServerWebExchange exchange,GatewayFilterChain chain){
  ServerHttpRequest request=exchange.getRequest();
  ServerHttpResponse response=exchange.getResponse();
  String username=
  request.getQueryParams().getFirst("username");
  if(!"admin".equals(username)){
   System.out.println("认证失败");
   response.setStatusCode(HttpStatus.UNAUTHORIZED);
   //终止请求继续传递
   return response.setComplete();
  }
  return chain.filter(exchange);
 }

 @Override
 public int getOrder(){
  return -200;
 }
}
